33688040

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 78321600

約数和(自身を除く): 44633560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 83, 139, 146, 166, 278, 292, 332, 365, 415, 556, 584, 664, 695, 730, 830, 1112, 1390, 1460, 1660, 2780, 2920, 3320, 5560, 6059, 10147, 11537, 12118, 20294, 23074, 24236, 30295, 40588, 46148, 48472, 50735, 57685, 60590, 81176, 92296, 101470, 115370, 121180, 202940, 230740, 242360, 405880, 461480, 842201, 1684402, 3368804, 4211005, 6737608, 8422010, 16844020, 33688040]

約数ペア:

[(1, 33688040), (2, 16844020), (4, 8422010), (5, 6737608), (8, 4211005), (10, 3368804), (20, 1684402), (40, 842201), (73, 461480), (83, 405880), (139, 242360), (146, 230740), (166, 202940), (278, 121180), (292, 115370), (332, 101470), (365, 92296), (415, 81176), (556, 60590), (584, 57685), (664, 50735), (695, 48472), (730, 46148), (830, 40588), (1112, 30295), (1390, 24236), (1460, 23074), (1660, 20294), (2780, 12118), (2920, 11537), (3320, 10147), (5560, 6059)]