7928162320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{19597}}^1$

素因数の和:20012

約数の個数: 80

約数和(自身を含む): 19902944880

約数和(自身を除く): 11974782560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 389, 520, 778, 1040, 1556, 1945, 3112, 3890, 5057, 6224, 7780, 10114, 15560, 19597, 20228, 25285, 31120, 39194, 40456, 50570, 78388, 80912, 97985, 101140, 156776, 195970, 202280, 254761, 313552, 391940, 404560, 509522, 783880, 1019044, 1273805, 1567760, 2038088, 2547610, 4076176, 5095220, 7623233, 10190440, 15246466, 20380880, 30492932, 38116165, 60985864, 76232330, 99102029, 121971728, 152464660, 198204058, 304929320, 396408116, 495510145, 609858640, 792816232, 991020290, 1585632464, 1982040580, 3964081160, 7928162320]

約数ペア:

[(1, 7928162320), (2, 3964081160), (4, 1982040580), (5, 1585632464), (8, 991020290), (10, 792816232), (13, 609858640), (16, 495510145), (20, 396408116), (26, 304929320), (40, 198204058), (52, 152464660), (65, 121971728), (80, 99102029), (104, 76232330), (130, 60985864), (208, 38116165), (260, 30492932), (389, 20380880), (520, 15246466), (778, 10190440), (1040, 7623233), (1556, 5095220), (1945, 4076176), (3112, 2547610), (3890, 2038088), (5057, 1567760), (6224, 1273805), (7780, 1019044), (10114, 783880), (15560, 509522), (19597, 404560), (20228, 391940), (25285, 313552), (31120, 254761), (39194, 202280), (40456, 195970), (50570, 156776), (78388, 101140), (80912, 97985)]