31453840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1208

約数の個数: 80

約数和(自身を含む): 82423296

約数和(自身を除く): 50969456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1153, 1240, 1364, 1705, 2306, 2480, 2728, 3410, 4612, 5456, 5765, 6820, 9224, 11530, 12683, 13640, 18448, 23060, 25366, 27280, 35743, 46120, 50732, 63415, 71486, 92240, 101464, 126830, 142972, 178715, 202928, 253660, 285944, 357430, 393173, 507320, 571888, 714860, 786346, 1014640, 1429720, 1572692, 1965865, 2859440, 3145384, 3931730, 6290768, 7863460, 15726920, 31453840]

約数ペア:

[(1, 31453840), (2, 15726920), (4, 7863460), (5, 6290768), (8, 3931730), (10, 3145384), (11, 2859440), (16, 1965865), (20, 1572692), (22, 1429720), (31, 1014640), (40, 786346), (44, 714860), (55, 571888), (62, 507320), (80, 393173), (88, 357430), (110, 285944), (124, 253660), (155, 202928), (176, 178715), (220, 142972), (248, 126830), (310, 101464), (341, 92240), (440, 71486), (496, 63415), (620, 50732), (682, 46120), (880, 35743), (1153, 27280), (1240, 25366), (1364, 23060), (1705, 18448), (2306, 13640), (2480, 12683), (2728, 11530), (3410, 9224), (4612, 6820), (5456, 5765)]