49521980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^5$

素因数の和:104

約数の個数: 36

約数和(自身を含む): 109773720

約数和(自身を除く): 60251740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 6859, 7220, 13718, 27436, 34295, 68590, 130321, 137180, 260642, 521284, 651605, 1303210, 2476099, 2606420, 4952198, 9904396, 12380495, 24760990, 49521980]

約数ペア:

[(1, 49521980), (2, 24760990), (4, 12380495), (5, 9904396), (10, 4952198), (19, 2606420), (20, 2476099), (38, 1303210), (76, 651605), (95, 521284), (190, 260642), (361, 137180), (380, 130321), (722, 68590), (1444, 34295), (1805, 27436), (3610, 13718), (6859, 7220)]