40656520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3517}}^1$

素因数の和:3562

約数の個数: 48

約数和(自身を含む): 97202340

約数和(自身を除く): 56545820

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 3517, 5780, 7034, 11560, 14068, 17585, 28136, 35170, 59789, 70340, 119578, 140680, 239156, 298945, 478312, 597890, 1016413, 1195780, 2032826, 2391560, 4065652, 5082065, 8131304, 10164130, 20328260, 40656520]

約数ペア:

[(1, 40656520), (2, 20328260), (4, 10164130), (5, 8131304), (8, 5082065), (10, 4065652), (17, 2391560), (20, 2032826), (34, 1195780), (40, 1016413), (68, 597890), (85, 478312), (136, 298945), (170, 239156), (289, 140680), (340, 119578), (578, 70340), (680, 59789), (1156, 35170), (1445, 28136), (2312, 17585), (2890, 14068), (3517, 11560), (5780, 7034)]