41872840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^2$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 96494940

約数和(自身を除く): 54622100

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 131, 244, 262, 305, 488, 524, 610, 655, 1048, 1220, 1310, 2440, 2620, 5240, 7991, 15982, 17161, 31964, 34322, 39955, 63928, 68644, 79910, 85805, 137288, 159820, 171610, 319640, 343220, 686440, 1046821, 2093642, 4187284, 5234105, 8374568, 10468210, 20936420, 41872840]

約数ペア:

[(1, 41872840), (2, 20936420), (4, 10468210), (5, 8374568), (8, 5234105), (10, 4187284), (20, 2093642), (40, 1046821), (61, 686440), (122, 343220), (131, 319640), (244, 171610), (262, 159820), (305, 137288), (488, 85805), (524, 79910), (610, 68644), (655, 63928), (1048, 39955), (1220, 34322), (1310, 31964), (2440, 17161), (2620, 15982), (5240, 7991)]