1993847960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{733}}^1\times {\mathrm{5231}}^1$

素因数の和:5988

約数の個数: 64

約数和(自身を含む): 4838762880

約数和(自身を除く): 2844914920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 733, 1466, 2932, 3665, 5231, 5864, 7330, 9529, 10462, 14660, 19058, 20924, 26155, 29320, 38116, 41848, 47645, 52310, 68003, 76232, 95290, 104620, 136006, 190580, 209240, 272012, 340015, 381160, 544024, 680030, 1360060, 2720120, 3834323, 7668646, 15337292, 19171615, 30674584, 38343230, 49846199, 76686460, 99692398, 153372920, 199384796, 249230995, 398769592, 498461990, 996923980, 1993847960]

約数ペア:

[(1, 1993847960), (2, 996923980), (4, 498461990), (5, 398769592), (8, 249230995), (10, 199384796), (13, 153372920), (20, 99692398), (26, 76686460), (40, 49846199), (52, 38343230), (65, 30674584), (104, 19171615), (130, 15337292), (260, 7668646), (520, 3834323), (733, 2720120), (1466, 1360060), (2932, 680030), (3665, 544024), (5231, 381160), (5864, 340015), (7330, 272012), (9529, 209240), (10462, 190580), (14660, 136006), (19058, 104620), (20924, 95290), (26155, 76232), (29320, 68003), (38116, 52310), (41848, 47645)]