82667080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 193651200

約数和(自身を除く): 110984120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 163, 248, 310, 326, 409, 620, 652, 815, 818, 1240, 1304, 1630, 1636, 2045, 3260, 3272, 4090, 5053, 6520, 8180, 10106, 12679, 16360, 20212, 25265, 25358, 40424, 50530, 50716, 63395, 66667, 101060, 101432, 126790, 133334, 202120, 253580, 266668, 333335, 507160, 533336, 666670, 1333340, 2066677, 2666680, 4133354, 8266708, 10333385, 16533416, 20666770, 41333540, 82667080]

約数ペア:

[(1, 82667080), (2, 41333540), (4, 20666770), (5, 16533416), (8, 10333385), (10, 8266708), (20, 4133354), (31, 2666680), (40, 2066677), (62, 1333340), (124, 666670), (155, 533336), (163, 507160), (248, 333335), (310, 266668), (326, 253580), (409, 202120), (620, 133334), (652, 126790), (815, 101432), (818, 101060), (1240, 66667), (1304, 63395), (1630, 50716), (1636, 50530), (2045, 40424), (3260, 25358), (3272, 25265), (4090, 20212), (5053, 16360), (6520, 12679), (8180, 10106)]