2418260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 5588352

約数和(自身を除く): 3170092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 131, 142, 260, 262, 284, 355, 524, 655, 710, 923, 1310, 1420, 1703, 1846, 2620, 3406, 3692, 4615, 6812, 8515, 9230, 9301, 17030, 18460, 18602, 34060, 37204, 46505, 93010, 120913, 186020, 241826, 483652, 604565, 1209130, 2418260]

約数ペア:

[(1, 2418260), (2, 1209130), (4, 604565), (5, 483652), (10, 241826), (13, 186020), (20, 120913), (26, 93010), (52, 46505), (65, 37204), (71, 34060), (130, 18602), (131, 18460), (142, 17030), (260, 9301), (262, 9230), (284, 8515), (355, 6812), (524, 4615), (655, 3692), (710, 3406), (923, 2620), (1310, 1846), (1420, 1703)]