1989087040

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{365641}}^1$

素因数の和:365675

約数の個数: 56

約数和(自身を含む): 5015145672

約数和(自身を除く): 3026058632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 365641, 731282, 1462564, 1828205, 2925128, 3656410, 5850256, 6215897, 7312820, 11700512, 12431794, 14625640, 23401024, 24863588, 29251280, 31079485, 49727176, 58502560, 62158970, 99454352, 117005120, 124317940, 198908704, 248635880, 397817408, 497271760, 994543520, 1989087040]

約数ペア:

[(1, 1989087040), (2, 994543520), (4, 497271760), (5, 397817408), (8, 248635880), (10, 198908704), (16, 124317940), (17, 117005120), (20, 99454352), (32, 62158970), (34, 58502560), (40, 49727176), (64, 31079485), (68, 29251280), (80, 24863588), (85, 23401024), (136, 14625640), (160, 12431794), (170, 11700512), (272, 7312820), (320, 6215897), (340, 5850256), (544, 3656410), (680, 2925128), (1088, 1828205), (1360, 1462564), (2720, 731282), (5440, 365641)]