40217380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2789}}^1$

素因数の和:2908

約数の個数: 48

約数和(自身を含む): 97493760

約数和(自身を除く): 57276380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2789, 2884, 3605, 5578, 7210, 11156, 13945, 14420, 19523, 27890, 39046, 55780, 78092, 97615, 195230, 287267, 390460, 574534, 1149068, 1436335, 2010869, 2872670, 4021738, 5745340, 8043476, 10054345, 20108690, 40217380]

約数ペア:

[(1, 40217380), (2, 20108690), (4, 10054345), (5, 8043476), (7, 5745340), (10, 4021738), (14, 2872670), (20, 2010869), (28, 1436335), (35, 1149068), (70, 574534), (103, 390460), (140, 287267), (206, 195230), (412, 97615), (515, 78092), (721, 55780), (1030, 39046), (1442, 27890), (2060, 19523), (2789, 14420), (2884, 13945), (3605, 11156), (5578, 7210)]