82641880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{373}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 193881600

約数和(自身を除く): 111239720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 191, 232, 290, 373, 382, 580, 746, 764, 955, 1160, 1492, 1528, 1865, 1910, 2984, 3730, 3820, 5539, 7460, 7640, 10817, 11078, 14920, 21634, 22156, 27695, 43268, 44312, 54085, 55390, 71243, 86536, 108170, 110780, 142486, 216340, 221560, 284972, 356215, 432680, 569944, 712430, 1424860, 2066047, 2849720, 4132094, 8264188, 10330235, 16528376, 20660470, 41320940, 82641880]

約数ペア:

[(1, 82641880), (2, 41320940), (4, 20660470), (5, 16528376), (8, 10330235), (10, 8264188), (20, 4132094), (29, 2849720), (40, 2066047), (58, 1424860), (116, 712430), (145, 569944), (191, 432680), (232, 356215), (290, 284972), (373, 221560), (382, 216340), (580, 142486), (746, 110780), (764, 108170), (955, 86536), (1160, 71243), (1492, 55390), (1528, 54085), (1865, 44312), (1910, 43268), (2984, 27695), (3730, 22156), (3820, 21634), (5539, 14920), (7460, 11078), (7640, 10817)]