25946420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{67}}^2$

素因数の和:177

約数の個数: 54

約数和(自身を含む): 58757958

約数和(自身を除く): 32811538

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 289, 335, 340, 578, 670, 1139, 1156, 1340, 1445, 2278, 2890, 4489, 4556, 5695, 5780, 8978, 11390, 17956, 19363, 22445, 22780, 38726, 44890, 76313, 77452, 89780, 96815, 152626, 193630, 305252, 381565, 387260, 763130, 1297321, 1526260, 2594642, 5189284, 6486605, 12973210, 25946420]

約数ペア:

[(1, 25946420), (2, 12973210), (4, 6486605), (5, 5189284), (10, 2594642), (17, 1526260), (20, 1297321), (34, 763130), (67, 387260), (68, 381565), (85, 305252), (134, 193630), (170, 152626), (268, 96815), (289, 89780), (335, 77452), (340, 76313), (578, 44890), (670, 38726), (1139, 22780), (1156, 22445), (1340, 19363), (1445, 17956), (2278, 11390), (2890, 8978), (4489, 5780), (4556, 5695)]