9995699375

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 13552061952

約数和(自身を除く): 3556362577

約数列:

[1, 5, 23, 25, 43, 103, 115, 125, 157, 215, 515, 575, 625, 785, 989, 1075, 2369, 2575, 2875, 3611, 3925, 4429, 4945, 5375, 6751, 11845, 12875, 14375, 16171, 18055, 19625, 22145, 24725, 26875, 33755, 59225, 64375, 80855, 90275, 98125, 101867, 110725, 123625, 155273, 168775, 296125, 371933, 404275, 451375, 509335, 553625, 618125, 695353, 776365, 843875, 1480625, 1859665, 2021375, 2256875, 2546675, 2768125, 3476765, 3881825, 4219375, 9298325, 10106875, 12733375, 15993119, 17383825, 19409125, 46491625, 63666875, 79965595, 86919125, 97045625, 232458125, 399827975, 434595625, 1999139875, 9995699375]

約数ペア:

[(1, 9995699375), (5, 1999139875), (23, 434595625), (25, 399827975), (43, 232458125), (103, 97045625), (115, 86919125), (125, 79965595), (157, 63666875), (215, 46491625), (515, 19409125), (575, 17383825), (625, 15993119), (785, 12733375), (989, 10106875), (1075, 9298325), (2369, 4219375), (2575, 3881825), (2875, 3476765), (3611, 2768125), (3925, 2546675), (4429, 2256875), (4945, 2021375), (5375, 1859665), (6751, 1480625), (11845, 843875), (12875, 776365), (14375, 695353), (16171, 618125), (18055, 553625), (19625, 509335), (22145, 451375), (24725, 404275), (26875, 371933), (33755, 296125), (59225, 168775), (64375, 155273), (80855, 123625), (90275, 110725), (98125, 101867)]