19580491250

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{5003}}^1$

素因数の和:5157

約数の個数: 80

約数和(自身を含む): 38268350208

約数和(自身を除く): 18687858958

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 101, 125, 155, 202, 250, 310, 505, 625, 775, 1010, 1250, 1550, 2525, 3131, 3875, 5003, 5050, 6262, 7750, 10006, 12625, 15655, 19375, 25015, 25250, 31310, 38750, 50030, 63125, 78275, 125075, 126250, 155093, 156550, 250150, 310186, 391375, 505303, 625375, 775465, 782750, 1010606, 1250750, 1550930, 1956875, 2526515, 3126875, 3877325, 3913750, 5053030, 6253750, 7754650, 12632575, 15664393, 19386625, 25265150, 31328786, 38773250, 63162875, 78321965, 96933125, 126325750, 156643930, 193866250, 315814375, 391609825, 631628750, 783219650, 1958049125, 3916098250, 9790245625, 19580491250]

約数ペア:

[(1, 19580491250), (2, 9790245625), (5, 3916098250), (10, 1958049125), (25, 783219650), (31, 631628750), (50, 391609825), (62, 315814375), (101, 193866250), (125, 156643930), (155, 126325750), (202, 96933125), (250, 78321965), (310, 63162875), (505, 38773250), (625, 31328786), (775, 25265150), (1010, 19386625), (1250, 15664393), (1550, 12632575), (2525, 7754650), (3131, 6253750), (3875, 5053030), (5003, 3913750), (5050, 3877325), (6262, 3126875), (7750, 2526515), (10006, 1956875), (12625, 1550930), (15655, 1250750), (19375, 1010606), (25015, 782750), (25250, 775465), (31310, 625375), (38750, 505303), (50030, 391375), (63125, 310186), (78275, 250150), (125075, 156550), (126250, 155093)]