31250440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3163}}^1$

素因数の和:3206

約数の個数: 64

約数和(自身を含む): 79732800

約数和(自身を除く): 48482360

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 3163, 4940, 6326, 9880, 12652, 15815, 25304, 31630, 41119, 60097, 63260, 82238, 120194, 126520, 164476, 205595, 240388, 300485, 328952, 411190, 480776, 600970, 781261, 822380, 1201940, 1562522, 1644760, 2403880, 3125044, 3906305, 6250088, 7812610, 15625220, 31250440]

約数ペア:

[(1, 31250440), (2, 15625220), (4, 7812610), (5, 6250088), (8, 3906305), (10, 3125044), (13, 2403880), (19, 1644760), (20, 1562522), (26, 1201940), (38, 822380), (40, 781261), (52, 600970), (65, 480776), (76, 411190), (95, 328952), (104, 300485), (130, 240388), (152, 205595), (190, 164476), (247, 126520), (260, 120194), (380, 82238), (494, 63260), (520, 60097), (760, 41119), (988, 31630), (1235, 25304), (1976, 15815), (2470, 12652), (3163, 9880), (4940, 6326)]