78960940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 170698752

約数和(自身を除く): 91737812

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 167, 188, 235, 334, 470, 503, 668, 835, 940, 1006, 1670, 2012, 2515, 3340, 5030, 7849, 10060, 15698, 23641, 31396, 39245, 47282, 78490, 84001, 94564, 118205, 156980, 168002, 236410, 336004, 420005, 472820, 840010, 1680020, 3948047, 7896094, 15792188, 19740235, 39480470, 78960940]

約数ペア:

[(1, 78960940), (2, 39480470), (4, 19740235), (5, 15792188), (10, 7896094), (20, 3948047), (47, 1680020), (94, 840010), (167, 472820), (188, 420005), (235, 336004), (334, 236410), (470, 168002), (503, 156980), (668, 118205), (835, 94564), (940, 84001), (1006, 78490), (1670, 47282), (2012, 39245), (2515, 31396), (3340, 23641), (5030, 15698), (7849, 10060)]