4019080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 9979200

約数和(自身を除く): 5960120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 131, 236, 260, 262, 295, 472, 520, 524, 590, 655, 767, 1048, 1180, 1310, 1534, 1703, 2360, 2620, 3068, 3406, 3835, 5240, 6136, 6812, 7670, 7729, 8515, 13624, 15340, 15458, 17030, 30680, 30916, 34060, 38645, 61832, 68120, 77290, 100477, 154580, 200954, 309160, 401908, 502385, 803816, 1004770, 2009540, 4019080]

約数ペア:

[(1, 4019080), (2, 2009540), (4, 1004770), (5, 803816), (8, 502385), (10, 401908), (13, 309160), (20, 200954), (26, 154580), (40, 100477), (52, 77290), (59, 68120), (65, 61832), (104, 38645), (118, 34060), (130, 30916), (131, 30680), (236, 17030), (260, 15458), (262, 15340), (295, 13624), (472, 8515), (520, 7729), (524, 7670), (590, 6812), (655, 6136), (767, 5240), (1048, 3835), (1180, 3406), (1310, 3068), (1534, 2620), (1703, 2360)]