1331333440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{134207}}^1$

素因数の和:134255

約数の個数: 56

約数和(自身を含む): 3272527872

約数和(自身を除く): 1941194432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 134207, 268414, 536828, 671035, 1073656, 1342070, 2147312, 2684140, 4160417, 4294624, 5368280, 8320834, 8589248, 10736560, 16641668, 20802085, 21473120, 33283336, 41604170, 42946240, 66566672, 83208340, 133133344, 166416680, 266266688, 332833360, 665666720, 1331333440]

約数ペア:

[(1, 1331333440), (2, 665666720), (4, 332833360), (5, 266266688), (8, 166416680), (10, 133133344), (16, 83208340), (20, 66566672), (31, 42946240), (32, 41604170), (40, 33283336), (62, 21473120), (64, 20802085), (80, 16641668), (124, 10736560), (155, 8589248), (160, 8320834), (248, 5368280), (310, 4294624), (320, 4160417), (496, 2684140), (620, 2147312), (992, 1342070), (1240, 1073656), (1984, 671035), (2480, 536828), (4960, 268414), (9920, 134207)]