40316480

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{349}}^1$

素因数の和:404

約数の個数: 84

約数和(自身を含む): 101612700

約数和(自身を除く): 61296220

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 349, 361, 380, 608, 698, 722, 760, 1216, 1396, 1444, 1520, 1745, 1805, 2792, 2888, 3040, 3490, 3610, 5584, 5776, 6080, 6631, 6980, 7220, 11168, 11552, 13262, 13960, 14440, 22336, 23104, 26524, 27920, 28880, 33155, 53048, 55840, 57760, 66310, 106096, 111680, 115520, 125989, 132620, 212192, 251978, 265240, 424384, 503956, 530480, 629945, 1007912, 1060960, 1259890, 2015824, 2121920, 2519780, 4031648, 5039560, 8063296, 10079120, 20158240, 40316480]

約数ペア:

[(1, 40316480), (2, 20158240), (4, 10079120), (5, 8063296), (8, 5039560), (10, 4031648), (16, 2519780), (19, 2121920), (20, 2015824), (32, 1259890), (38, 1060960), (40, 1007912), (64, 629945), (76, 530480), (80, 503956), (95, 424384), (152, 265240), (160, 251978), (190, 212192), (304, 132620), (320, 125989), (349, 115520), (361, 111680), (380, 106096), (608, 66310), (698, 57760), (722, 55840), (760, 53048), (1216, 33155), (1396, 28880), (1444, 27920), (1520, 26524), (1745, 23104), (1805, 22336), (2792, 14440), (2888, 13960), (3040, 13262), (3490, 11552), (3610, 11168), (5584, 7220), (5776, 6980), (6080, 6631)]