21779680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 57111264

約数和(自身を除く): 35331584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 65, 74, 80, 104, 130, 148, 160, 185, 208, 260, 283, 296, 370, 416, 481, 520, 566, 592, 740, 962, 1040, 1132, 1184, 1415, 1480, 1924, 2080, 2264, 2405, 2830, 2960, 3679, 3848, 4528, 4810, 5660, 5920, 7358, 7696, 9056, 9620, 10471, 11320, 14716, 15392, 18395, 19240, 20942, 22640, 29432, 36790, 38480, 41884, 45280, 52355, 58864, 73580, 76960, 83768, 104710, 117728, 136123, 147160, 167536, 209420, 272246, 294320, 335072, 418840, 544492, 588640, 680615, 837680, 1088984, 1361230, 1675360, 2177968, 2722460, 4355936, 5444920, 10889840, 21779680]

約数ペア:

[(1, 21779680), (2, 10889840), (4, 5444920), (5, 4355936), (8, 2722460), (10, 2177968), (13, 1675360), (16, 1361230), (20, 1088984), (26, 837680), (32, 680615), (37, 588640), (40, 544492), (52, 418840), (65, 335072), (74, 294320), (80, 272246), (104, 209420), (130, 167536), (148, 147160), (160, 136123), (185, 117728), (208, 104710), (260, 83768), (283, 76960), (296, 73580), (370, 58864), (416, 52355), (481, 45280), (520, 41884), (566, 38480), (592, 36790), (740, 29432), (962, 22640), (1040, 20942), (1132, 19240), (1184, 18395), (1415, 15392), (1480, 14716), (1924, 11320), (2080, 10471), (2264, 9620), (2405, 9056), (2830, 7696), (2960, 7358), (3679, 5920), (3848, 5660), (4528, 4810)]