40445890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^2$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 79729272

約数和(自身を除く): 39283382

約数列:

[1, 2, 5, 10, 17, 34, 53, 67, 85, 106, 134, 170, 265, 335, 530, 670, 901, 1139, 1802, 2278, 3551, 4489, 4505, 5695, 7102, 8978, 9010, 11390, 17755, 22445, 35510, 44890, 60367, 76313, 120734, 152626, 237917, 301835, 381565, 475834, 603670, 763130, 1189585, 2379170, 4044589, 8089178, 20222945, 40445890]

約数ペア:

[(1, 40445890), (2, 20222945), (5, 8089178), (10, 4044589), (17, 2379170), (34, 1189585), (53, 763130), (67, 603670), (85, 475834), (106, 381565), (134, 301835), (170, 237917), (265, 152626), (335, 120734), (530, 76313), (670, 60367), (901, 44890), (1139, 35510), (1802, 22445), (2278, 17755), (3551, 11390), (4489, 9010), (4505, 8978), (5695, 7102)]