25045370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 53187840

約数和(自身を除く): 28142470

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 158, 245, 395, 490, 553, 647, 790, 1106, 1294, 2765, 3235, 3871, 4529, 5530, 6470, 7742, 9058, 19355, 22645, 31703, 38710, 45290, 51113, 63406, 102226, 158515, 255565, 317030, 357791, 511130, 715582, 1788955, 2504537, 3577910, 5009074, 12522685, 25045370]

約数ペア:

[(1, 25045370), (2, 12522685), (5, 5009074), (7, 3577910), (10, 2504537), (14, 1788955), (35, 715582), (49, 511130), (70, 357791), (79, 317030), (98, 255565), (158, 158515), (245, 102226), (395, 63406), (490, 51113), (553, 45290), (647, 38710), (790, 31703), (1106, 22645), (1294, 19355), (2765, 9058), (3235, 7742), (3871, 6470), (4529, 5530)]