28312565360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{70039}}^1$

素因数の和:70246

約数の個数: 80

約数和(自身を含む): 68368005120

約数和(自身を除く): 40055439760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 163, 248, 310, 326, 496, 620, 652, 815, 1240, 1304, 1630, 2480, 2608, 3260, 5053, 6520, 10106, 13040, 20212, 25265, 40424, 50530, 70039, 80848, 101060, 140078, 202120, 280156, 350195, 404240, 560312, 700390, 1120624, 1400780, 2171209, 2801560, 4342418, 5603120, 8684836, 10856045, 11416357, 17369672, 21712090, 22832714, 34739344, 43424180, 45665428, 57081785, 86848360, 91330856, 114163570, 173696720, 182661712, 228327140, 353907067, 456654280, 707814134, 913308560, 1415628268, 1769535335, 2831256536, 3539070670, 5662513072, 7078141340, 14156282680, 28312565360]

約数ペア:

[(1, 28312565360), (2, 14156282680), (4, 7078141340), (5, 5662513072), (8, 3539070670), (10, 2831256536), (16, 1769535335), (20, 1415628268), (31, 913308560), (40, 707814134), (62, 456654280), (80, 353907067), (124, 228327140), (155, 182661712), (163, 173696720), (248, 114163570), (310, 91330856), (326, 86848360), (496, 57081785), (620, 45665428), (652, 43424180), (815, 34739344), (1240, 22832714), (1304, 21712090), (1630, 17369672), (2480, 11416357), (2608, 10856045), (3260, 8684836), (5053, 5603120), (6520, 4342418), (10106, 2801560), (13040, 2171209), (20212, 1400780), (25265, 1120624), (40424, 700390), (50530, 560312), (70039, 404240), (80848, 350195), (101060, 280156), (140078, 202120)]