87360520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3907}}^1$

素因数の和:3974

約数の個数: 64

約数和(自身を含む): 216659520

約数和(自身を除く): 129299000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 3907, 4472, 5590, 7814, 11180, 15628, 19535, 22360, 31256, 39070, 50791, 78140, 101582, 156280, 168001, 203164, 253955, 336002, 406328, 507910, 672004, 840005, 1015820, 1344008, 1680010, 2031640, 2184013, 3360020, 4368026, 6720040, 8736052, 10920065, 17472104, 21840130, 43680260, 87360520]

約数ペア:

[(1, 87360520), (2, 43680260), (4, 21840130), (5, 17472104), (8, 10920065), (10, 8736052), (13, 6720040), (20, 4368026), (26, 3360020), (40, 2184013), (43, 2031640), (52, 1680010), (65, 1344008), (86, 1015820), (104, 840005), (130, 672004), (172, 507910), (215, 406328), (260, 336002), (344, 253955), (430, 203164), (520, 168001), (559, 156280), (860, 101582), (1118, 78140), (1720, 50791), (2236, 39070), (2795, 31256), (3907, 22360), (4472, 19535), (5590, 15628), (7814, 11180)]