39870440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3449}}^1$

素因数の和:3494

約数の個数: 48

約数和(自身を含む): 95323500

約数和(自身を除く): 55453060

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 3449, 5780, 6898, 11560, 13796, 17245, 27592, 34490, 58633, 68980, 117266, 137960, 234532, 293165, 469064, 586330, 996761, 1172660, 1993522, 2345320, 3987044, 4983805, 7974088, 9967610, 19935220, 39870440]

約数ペア:

[(1, 39870440), (2, 19935220), (4, 9967610), (5, 7974088), (8, 4983805), (10, 3987044), (17, 2345320), (20, 1993522), (34, 1172660), (40, 996761), (68, 586330), (85, 469064), (136, 293165), (170, 234532), (289, 137960), (340, 117266), (578, 68980), (680, 58633), (1156, 34490), (1445, 27592), (2312, 17245), (2890, 13796), (3449, 11560), (5780, 6898)]