50640980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 121325568

約数和(自身を除く): 70684588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 61, 62, 65, 103, 122, 124, 130, 155, 206, 244, 260, 305, 310, 403, 412, 515, 610, 620, 793, 806, 1030, 1220, 1339, 1586, 1612, 1891, 2015, 2060, 2678, 3172, 3193, 3782, 3965, 4030, 5356, 6283, 6386, 6695, 7564, 7930, 8060, 9455, 12566, 12772, 13390, 15860, 15965, 18910, 24583, 25132, 26780, 31415, 31930, 37820, 41509, 49166, 62830, 63860, 81679, 83018, 98332, 122915, 125660, 163358, 166036, 194773, 207545, 245830, 326716, 389546, 408395, 415090, 491660, 779092, 816790, 830180, 973865, 1633580, 1947730, 2532049, 3895460, 5064098, 10128196, 12660245, 25320490, 50640980]

約数ペア:

[(1, 50640980), (2, 25320490), (4, 12660245), (5, 10128196), (10, 5064098), (13, 3895460), (20, 2532049), (26, 1947730), (31, 1633580), (52, 973865), (61, 830180), (62, 816790), (65, 779092), (103, 491660), (122, 415090), (124, 408395), (130, 389546), (155, 326716), (206, 245830), (244, 207545), (260, 194773), (305, 166036), (310, 163358), (403, 125660), (412, 122915), (515, 98332), (610, 83018), (620, 81679), (793, 63860), (806, 62830), (1030, 49166), (1220, 41509), (1339, 37820), (1586, 31930), (1612, 31415), (1891, 26780), (2015, 25132), (2060, 24583), (2678, 18910), (3172, 15965), (3193, 15860), (3782, 13390), (3965, 12772), (4030, 12566), (5356, 9455), (6283, 8060), (6386, 7930), (6695, 7564)]