20111250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:229

約数の個数: 80

約数和(自身を含む): 52183296

約数和(自身を除く): 32072046

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 125, 150, 155, 173, 186, 250, 310, 346, 375, 465, 519, 625, 750, 775, 865, 930, 1038, 1250, 1550, 1730, 1875, 2325, 2595, 3750, 3875, 4325, 4650, 5190, 5363, 7750, 8650, 10726, 11625, 12975, 16089, 19375, 21625, 23250, 25950, 26815, 32178, 38750, 43250, 53630, 58125, 64875, 80445, 108125, 116250, 129750, 134075, 160890, 216250, 268150, 324375, 402225, 648750, 670375, 804450, 1340750, 2011125, 3351875, 4022250, 6703750, 10055625, 20111250]

約数ペア:

[(1, 20111250), (2, 10055625), (3, 6703750), (5, 4022250), (6, 3351875), (10, 2011125), (15, 1340750), (25, 804450), (30, 670375), (31, 648750), (50, 402225), (62, 324375), (75, 268150), (93, 216250), (125, 160890), (150, 134075), (155, 129750), (173, 116250), (186, 108125), (250, 80445), (310, 64875), (346, 58125), (375, 53630), (465, 43250), (519, 38750), (625, 32178), (750, 26815), (775, 25950), (865, 23250), (930, 21625), (1038, 19375), (1250, 16089), (1550, 12975), (1730, 11625), (1875, 10726), (2325, 8650), (2595, 7750), (3750, 5363), (3875, 5190), (4325, 4650)]