51604150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 72

約数和(自身を含む): 107832384

約数和(自身を除く): 56228234

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 169, 197, 310, 325, 338, 394, 403, 650, 775, 806, 845, 985, 1550, 1690, 1970, 2015, 2561, 4030, 4225, 4925, 5122, 5239, 6107, 8450, 9850, 10075, 10478, 12214, 12805, 20150, 25610, 26195, 30535, 33293, 52390, 61070, 64025, 66586, 79391, 128050, 130975, 152675, 158782, 166465, 261950, 305350, 332930, 396955, 793910, 832325, 1032083, 1664650, 1984775, 2064166, 3969550, 5160415, 10320830, 25802075, 51604150]

約数ペア:

[(1, 51604150), (2, 25802075), (5, 10320830), (10, 5160415), (13, 3969550), (25, 2064166), (26, 1984775), (31, 1664650), (50, 1032083), (62, 832325), (65, 793910), (130, 396955), (155, 332930), (169, 305350), (197, 261950), (310, 166465), (325, 158782), (338, 152675), (394, 130975), (403, 128050), (650, 79391), (775, 66586), (806, 64025), (845, 61070), (985, 52390), (1550, 33293), (1690, 30535), (1970, 26195), (2015, 25610), (2561, 20150), (4030, 12805), (4225, 12214), (4925, 10478), (5122, 10075), (5239, 9850), (6107, 8450)]