2050100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 5103840

約数和(自身を除く): 3053740

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 83, 95, 100, 130, 166, 190, 247, 260, 325, 332, 380, 415, 475, 494, 650, 830, 950, 988, 1079, 1235, 1300, 1577, 1660, 1900, 2075, 2158, 2470, 3154, 4150, 4316, 4940, 5395, 6175, 6308, 7885, 8300, 10790, 12350, 15770, 20501, 21580, 24700, 26975, 31540, 39425, 41002, 53950, 78850, 82004, 102505, 107900, 157700, 205010, 410020, 512525, 1025050, 2050100]

約数ペア:

[(1, 2050100), (2, 1025050), (4, 512525), (5, 410020), (10, 205010), (13, 157700), (19, 107900), (20, 102505), (25, 82004), (26, 78850), (38, 53950), (50, 41002), (52, 39425), (65, 31540), (76, 26975), (83, 24700), (95, 21580), (100, 20501), (130, 15770), (166, 12350), (190, 10790), (247, 8300), (260, 7885), (325, 6308), (332, 6175), (380, 5395), (415, 4940), (475, 4316), (494, 4150), (650, 3154), (830, 2470), (950, 2158), (988, 2075), (1079, 1900), (1235, 1660), (1300, 1577)]