518235680

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:850

約数の個数: 96

約数和(自身を含む): 1273563648

約数和(自身を除く): 755327968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 163, 248, 310, 326, 496, 620, 641, 652, 815, 992, 1240, 1282, 1304, 1630, 2480, 2564, 2608, 3205, 3260, 4960, 5053, 5128, 5216, 6410, 6520, 10106, 10256, 12820, 13040, 19871, 20212, 20512, 25265, 25640, 26080, 39742, 40424, 50530, 51280, 79484, 80848, 99355, 101060, 102560, 104483, 158968, 161696, 198710, 202120, 208966, 317936, 397420, 404240, 417932, 522415, 635872, 794840, 808480, 835864, 1044830, 1589680, 1671728, 2089660, 3179360, 3238973, 3343456, 4179320, 6477946, 8358640, 12955892, 16194865, 16717280, 25911784, 32389730, 51823568, 64779460, 103647136, 129558920, 259117840, 518235680]

約数ペア:

[(1, 518235680), (2, 259117840), (4, 129558920), (5, 103647136), (8, 64779460), (10, 51823568), (16, 32389730), (20, 25911784), (31, 16717280), (32, 16194865), (40, 12955892), (62, 8358640), (80, 6477946), (124, 4179320), (155, 3343456), (160, 3238973), (163, 3179360), (248, 2089660), (310, 1671728), (326, 1589680), (496, 1044830), (620, 835864), (641, 808480), (652, 794840), (815, 635872), (992, 522415), (1240, 417932), (1282, 404240), (1304, 397420), (1630, 317936), (2480, 208966), (2564, 202120), (2608, 198710), (3205, 161696), (3260, 158968), (4960, 104483), (5053, 102560), (5128, 101060), (5216, 99355), (6410, 80848), (6520, 79484), (10106, 51280), (10256, 50530), (12820, 40424), (13040, 39742), (19871, 26080), (20212, 25640), (20512, 25265)]