213848960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25703}}^1$

素因数の和:25735

約数の個数: 64

約数和(自身を含む): 550579680

約数和(自身を除く): 336730720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 25703, 51406, 102812, 128515, 205624, 257030, 334139, 411248, 514060, 668278, 822496, 1028120, 1336556, 1644992, 1670695, 2056240, 2673112, 3289984, 3341390, 4112480, 5346224, 6682780, 8224960, 10692448, 13365560, 16449920, 21384896, 26731120, 42769792, 53462240, 106924480, 213848960]

約数ペア:

[(1, 213848960), (2, 106924480), (4, 53462240), (5, 42769792), (8, 26731120), (10, 21384896), (13, 16449920), (16, 13365560), (20, 10692448), (26, 8224960), (32, 6682780), (40, 5346224), (52, 4112480), (64, 3341390), (65, 3289984), (80, 2673112), (104, 2056240), (128, 1670695), (130, 1644992), (160, 1336556), (208, 1028120), (260, 822496), (320, 668278), (416, 514060), (520, 411248), (640, 334139), (832, 257030), (1040, 205624), (1664, 128515), (2080, 102812), (4160, 51406), (8320, 25703)]