31860920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8753}}^1$

素因数の和:8784

約数の個数: 64

約数和(自身を含む): 88240320

約数和(自身を除く): 56379400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 8753, 17506, 35012, 43765, 61271, 70024, 87530, 113789, 122542, 175060, 227578, 245084, 306355, 350120, 455156, 490168, 568945, 612710, 796523, 910312, 1137890, 1225420, 1593046, 2275780, 2450840, 3186092, 3982615, 4551560, 6372184, 7965230, 15930460, 31860920]

約数ペア:

[(1, 31860920), (2, 15930460), (4, 7965230), (5, 6372184), (7, 4551560), (8, 3982615), (10, 3186092), (13, 2450840), (14, 2275780), (20, 1593046), (26, 1225420), (28, 1137890), (35, 910312), (40, 796523), (52, 612710), (56, 568945), (65, 490168), (70, 455156), (91, 350120), (104, 306355), (130, 245084), (140, 227578), (182, 175060), (260, 122542), (280, 113789), (364, 87530), (455, 70024), (520, 61271), (728, 43765), (910, 35012), (1820, 17506), (3640, 8753)]