172648360

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{44497}}^1$

素因数の和:44605

約数の個数: 32

約数和(自身を含む): 392472360

約数和(自身を除く): 219824000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 44497, 88994, 177988, 222485, 355976, 444970, 889940, 1779880, 4316209, 8632418, 17264836, 21581045, 34529672, 43162090, 86324180, 172648360]

約数ペア:

[(1, 172648360), (2, 86324180), (4, 43162090), (5, 34529672), (8, 21581045), (10, 17264836), (20, 8632418), (40, 4316209), (97, 1779880), (194, 889940), (388, 444970), (485, 355976), (776, 222485), (970, 177988), (1940, 88994), (3880, 44497)]