51641240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:625

約数の個数: 128

約数和(自身を含む): 148262400

約数和(自身を除く): 96621160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 340, 380, 476, 532, 571, 595, 646, 665, 680, 760, 952, 1064, 1142, 1190, 1292, 1330, 1615, 2261, 2284, 2380, 2584, 2660, 2855, 3230, 3997, 4522, 4568, 4760, 5320, 5710, 6460, 7994, 9044, 9707, 10849, 11305, 11420, 12920, 15988, 18088, 19414, 19985, 21698, 22610, 22840, 31976, 38828, 39970, 43396, 45220, 48535, 54245, 67949, 75943, 77656, 79940, 86792, 90440, 97070, 108490, 135898, 151886, 159880, 184433, 194140, 216980, 271796, 303772, 339745, 368866, 379715, 388280, 433960, 543592, 607544, 679490, 737732, 759430, 922165, 1291031, 1358980, 1475464, 1518860, 1844330, 2582062, 2717960, 3037720, 3688660, 5164124, 6455155, 7377320, 10328248, 12910310, 25820620, 51641240]

約数ペア:

[(1, 51641240), (2, 25820620), (4, 12910310), (5, 10328248), (7, 7377320), (8, 6455155), (10, 5164124), (14, 3688660), (17, 3037720), (19, 2717960), (20, 2582062), (28, 1844330), (34, 1518860), (35, 1475464), (38, 1358980), (40, 1291031), (56, 922165), (68, 759430), (70, 737732), (76, 679490), (85, 607544), (95, 543592), (119, 433960), (133, 388280), (136, 379715), (140, 368866), (152, 339745), (170, 303772), (190, 271796), (238, 216980), (266, 194140), (280, 184433), (323, 159880), (340, 151886), (380, 135898), (476, 108490), (532, 97070), (571, 90440), (595, 86792), (646, 79940), (665, 77656), (680, 75943), (760, 67949), (952, 54245), (1064, 48535), (1142, 45220), (1190, 43396), (1292, 39970), (1330, 38828), (1615, 31976), (2261, 22840), (2284, 22610), (2380, 21698), (2584, 19985), (2660, 19414), (2855, 18088), (3230, 15988), (3997, 12920), (4522, 11420), (4568, 11305), (4760, 10849), (5320, 9707), (5710, 9044), (6460, 7994)]