392412880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{158231}}^1$

素因数の和:158275

約数の個数: 40

約数和(自身を含む): 941796864

約数和(自身を除く): 549383984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 158231, 316462, 632924, 791155, 1265848, 1582310, 2531696, 3164620, 4905161, 6329240, 9810322, 12658480, 19620644, 24525805, 39241288, 49051610, 78482576, 98103220, 196206440, 392412880]

約数ペア:

[(1, 392412880), (2, 196206440), (4, 98103220), (5, 78482576), (8, 49051610), (10, 39241288), (16, 24525805), (20, 19620644), (31, 12658480), (40, 9810322), (62, 6329240), (80, 4905161), (124, 3164620), (155, 2531696), (248, 1582310), (310, 1265848), (496, 791155), (620, 632924), (1240, 316462), (2480, 158231)]