38401250

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1044

約数の個数: 40

約数和(自身を含む): 74376192

約数和(自身を除く): 35974942

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 625, 775, 991, 1250, 1550, 1982, 3875, 4955, 7750, 9910, 19375, 24775, 30721, 38750, 49550, 61442, 123875, 153605, 247750, 307210, 619375, 768025, 1238750, 1536050, 3840125, 7680250, 19200625, 38401250]

約数ペア:

[(1, 38401250), (2, 19200625), (5, 7680250), (10, 3840125), (25, 1536050), (31, 1238750), (50, 768025), (62, 619375), (125, 307210), (155, 247750), (250, 153605), (310, 123875), (625, 61442), (775, 49550), (991, 38750), (1250, 30721), (1550, 24775), (1982, 19375), (3875, 9910), (4955, 7750)]