128465740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{5953}}^1$

素因数の和:6058

約数の個数: 48

約数和(自身を含む): 294079968

約数和(自身を除く): 165614228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1660, 2158, 4316, 5395, 5953, 10790, 11906, 21580, 23812, 29765, 59530, 77389, 119060, 154778, 309556, 386945, 494099, 773890, 988198, 1547780, 1976396, 2470495, 4940990, 6423287, 9881980, 12846574, 25693148, 32116435, 64232870, 128465740]

約数ペア:

[(1, 128465740), (2, 64232870), (4, 32116435), (5, 25693148), (10, 12846574), (13, 9881980), (20, 6423287), (26, 4940990), (52, 2470495), (65, 1976396), (83, 1547780), (130, 988198), (166, 773890), (260, 494099), (332, 386945), (415, 309556), (830, 154778), (1079, 119060), (1660, 77389), (2158, 59530), (4316, 29765), (5395, 23812), (5953, 21580), (10790, 11906)]