25107968

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 80

約数和(自身を含む): 55242000

約数和(自身を除く): 30134032

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 89, 116, 128, 152, 178, 232, 256, 304, 356, 464, 512, 551, 608, 712, 928, 1102, 1216, 1424, 1691, 1856, 2204, 2432, 2581, 2848, 3382, 3712, 4408, 4864, 5162, 5696, 6764, 7424, 8816, 9728, 10324, 11392, 13528, 14848, 17632, 20648, 22784, 27056, 35264, 41296, 45568, 49039, 54112, 70528, 82592, 98078, 108224, 141056, 165184, 196156, 216448, 282112, 330368, 392312, 432896, 660736, 784624, 865792, 1321472, 1569248, 3138496, 6276992, 12553984, 25107968]

約数ペア:

[(1, 25107968), (2, 12553984), (4, 6276992), (8, 3138496), (16, 1569248), (19, 1321472), (29, 865792), (32, 784624), (38, 660736), (58, 432896), (64, 392312), (76, 330368), (89, 282112), (116, 216448), (128, 196156), (152, 165184), (178, 141056), (232, 108224), (256, 98078), (304, 82592), (356, 70528), (464, 54112), (512, 49039), (551, 45568), (608, 41296), (712, 35264), (928, 27056), (1102, 22784), (1216, 20648), (1424, 17632), (1691, 14848), (1856, 13528), (2204, 11392), (2432, 10324), (2581, 9728), (2848, 8816), (3382, 7424), (3712, 6764), (4408, 5696), (4864, 5162)]