1330784120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1073213}}^1$

素因数の和:1073255

約数の個数: 32

約数和(自身を含む): 3090856320

約数和(自身を除く): 1760072200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1073213, 2146426, 4292852, 5366065, 8585704, 10732130, 21464260, 33269603, 42928520, 66539206, 133078412, 166348015, 266156824, 332696030, 665392060, 1330784120]

約数ペア:

[(1, 1330784120), (2, 665392060), (4, 332696030), (5, 266156824), (8, 166348015), (10, 133078412), (20, 66539206), (31, 42928520), (40, 33269603), (62, 21464260), (124, 10732130), (155, 8585704), (248, 5366065), (310, 4292852), (620, 2146426), (1240, 1073213)]