20131831375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4157}}^1$

素因数の和:4285

約数の個数: 64

約数和(自身を含む): 27741377664

約数和(自身を除く): 7609546289

約数列:

[1, 5, 17, 25, 43, 53, 85, 125, 215, 265, 425, 731, 901, 1075, 1325, 2125, 2279, 3655, 4157, 4505, 5375, 6625, 11395, 18275, 20785, 22525, 38743, 56975, 70669, 91375, 103925, 112625, 178751, 193715, 220321, 284875, 353345, 519625, 893755, 968575, 1101605, 1766725, 3038767, 3745457, 4468775, 4842875, 5508025, 8833625, 9473803, 15193835, 18727285, 22343875, 27540125, 47369015, 75969175, 93636425, 161054651, 236845075, 379845875, 468182125, 805273255, 1184225375, 4026366275, 20131831375]

約数ペア:

[(1, 20131831375), (5, 4026366275), (17, 1184225375), (25, 805273255), (43, 468182125), (53, 379845875), (85, 236845075), (125, 161054651), (215, 93636425), (265, 75969175), (425, 47369015), (731, 27540125), (901, 22343875), (1075, 18727285), (1325, 15193835), (2125, 9473803), (2279, 8833625), (3655, 5508025), (4157, 4842875), (4505, 4468775), (5375, 3745457), (6625, 3038767), (11395, 1766725), (18275, 1101605), (20785, 968575), (22525, 893755), (38743, 519625), (56975, 353345), (70669, 284875), (91375, 220321), (103925, 193715), (112625, 178751)]