80445700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:709

約数の個数: 72

約数和(自身を含む): 187488000

約数和(自身を除く): 107042300

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 79, 85, 100, 158, 170, 316, 340, 395, 425, 599, 790, 850, 1198, 1343, 1580, 1700, 1975, 2396, 2686, 2995, 3950, 5372, 5990, 6715, 7900, 10183, 11980, 13430, 14975, 20366, 26860, 29950, 33575, 40732, 47321, 50915, 59900, 67150, 94642, 101830, 134300, 189284, 203660, 236605, 254575, 473210, 509150, 804457, 946420, 1018300, 1183025, 1608914, 2366050, 3217828, 4022285, 4732100, 8044570, 16089140, 20111425, 40222850, 80445700]

約数ペア:

[(1, 80445700), (2, 40222850), (4, 20111425), (5, 16089140), (10, 8044570), (17, 4732100), (20, 4022285), (25, 3217828), (34, 2366050), (50, 1608914), (68, 1183025), (79, 1018300), (85, 946420), (100, 804457), (158, 509150), (170, 473210), (316, 254575), (340, 236605), (395, 203660), (425, 189284), (599, 134300), (790, 101830), (850, 94642), (1198, 67150), (1343, 59900), (1580, 50915), (1700, 47321), (1975, 40732), (2396, 33575), (2686, 29950), (2995, 26860), (3950, 20366), (5372, 14975), (5990, 13430), (6715, 11980), (7900, 10183)]