40102580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 98977536

約数和(自身を除く): 58874956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 151, 196, 245, 271, 302, 490, 542, 604, 755, 980, 1057, 1084, 1355, 1510, 1897, 2114, 2710, 3020, 3794, 4228, 5285, 5420, 7399, 7588, 9485, 10570, 13279, 14798, 18970, 21140, 26558, 29596, 36995, 37940, 40921, 53116, 66395, 73990, 81842, 132790, 147980, 163684, 204605, 265580, 286447, 409210, 572894, 818420, 1145788, 1432235, 2005129, 2864470, 4010258, 5728940, 8020516, 10025645, 20051290, 40102580]

約数ペア:

[(1, 40102580), (2, 20051290), (4, 10025645), (5, 8020516), (7, 5728940), (10, 4010258), (14, 2864470), (20, 2005129), (28, 1432235), (35, 1145788), (49, 818420), (70, 572894), (98, 409210), (140, 286447), (151, 265580), (196, 204605), (245, 163684), (271, 147980), (302, 132790), (490, 81842), (542, 73990), (604, 66395), (755, 53116), (980, 40921), (1057, 37940), (1084, 36995), (1355, 29596), (1510, 26558), (1897, 21140), (2114, 18970), (2710, 14798), (3020, 13279), (3794, 10570), (4228, 9485), (5285, 7588), (5420, 7399)]