51814640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1290

約数の個数: 80

約数和(自身を含む): 131777280

約数和(自身を除く): 79962640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1229, 1240, 1360, 2108, 2458, 2480, 2635, 4216, 4916, 5270, 6145, 8432, 9832, 10540, 12290, 19664, 20893, 21080, 24580, 38099, 41786, 42160, 49160, 76198, 83572, 98320, 104465, 152396, 167144, 190495, 208930, 304792, 334288, 380990, 417860, 609584, 647683, 761980, 835720, 1295366, 1523960, 1671440, 2590732, 3047920, 3238415, 5181464, 6476830, 10362928, 12953660, 25907320, 51814640]

約数ペア:

[(1, 51814640), (2, 25907320), (4, 12953660), (5, 10362928), (8, 6476830), (10, 5181464), (16, 3238415), (17, 3047920), (20, 2590732), (31, 1671440), (34, 1523960), (40, 1295366), (62, 835720), (68, 761980), (80, 647683), (85, 609584), (124, 417860), (136, 380990), (155, 334288), (170, 304792), (248, 208930), (272, 190495), (310, 167144), (340, 152396), (496, 104465), (527, 98320), (620, 83572), (680, 76198), (1054, 49160), (1229, 42160), (1240, 41786), (1360, 38099), (2108, 24580), (2458, 21080), (2480, 20893), (2635, 19664), (4216, 12290), (4916, 10540), (5270, 9832), (6145, 8432)]