158000180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19603}}^1$

素因数の和:19656

約数の個数: 48

約数和(自身を含む): 368868864

約数和(自身を除く): 210868684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 19603, 39206, 78412, 98015, 196030, 254839, 392060, 509678, 607693, 1019356, 1215386, 1274195, 2430772, 2548390, 3038465, 5096780, 6076930, 7900009, 12153860, 15800018, 31600036, 39500045, 79000090, 158000180]

約数ペア:

[(1, 158000180), (2, 79000090), (4, 39500045), (5, 31600036), (10, 15800018), (13, 12153860), (20, 7900009), (26, 6076930), (31, 5096780), (52, 3038465), (62, 2548390), (65, 2430772), (124, 1274195), (130, 1215386), (155, 1019356), (260, 607693), (310, 509678), (403, 392060), (620, 254839), (806, 196030), (1612, 98015), (2015, 78412), (4030, 39206), (8060, 19603)]