40180090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 74102400

約数和(自身を除く): 33922310

約数列:

[1, 2, 5, 10, 61, 122, 199, 305, 331, 398, 610, 662, 995, 1655, 1990, 3310, 12139, 20191, 24278, 40382, 60695, 65869, 100955, 121390, 131738, 201910, 329345, 658690, 4018009, 8036018, 20090045, 40180090]

約数ペア:

[(1, 40180090), (2, 20090045), (5, 8036018), (10, 4018009), (61, 658690), (122, 329345), (199, 201910), (305, 131738), (331, 121390), (398, 100955), (610, 65869), (662, 60695), (995, 40382), (1655, 24278), (1990, 20191), (3310, 12139)]