204471040

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5153}}^1$

素因数の和:5205

約数の個数: 72

約数和(自身を含む): 505669248

約数和(自身を除く): 301198208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 5153, 7936, 9920, 10306, 19840, 20612, 25765, 39680, 41224, 51530, 82448, 103060, 159743, 164896, 206120, 319486, 329792, 412240, 638972, 659584, 798715, 824480, 1277944, 1319168, 1597430, 1648960, 2555888, 3194860, 3297920, 5111776, 6389720, 6595840, 10223552, 12779440, 20447104, 25558880, 40894208, 51117760, 102235520, 204471040]

約数ペア:

[(1, 204471040), (2, 102235520), (4, 51117760), (5, 40894208), (8, 25558880), (10, 20447104), (16, 12779440), (20, 10223552), (31, 6595840), (32, 6389720), (40, 5111776), (62, 3297920), (64, 3194860), (80, 2555888), (124, 1648960), (128, 1597430), (155, 1319168), (160, 1277944), (248, 824480), (256, 798715), (310, 659584), (320, 638972), (496, 412240), (620, 329792), (640, 319486), (992, 206120), (1240, 164896), (1280, 159743), (1984, 103060), (2480, 82448), (3968, 51530), (4960, 41224), (5153, 39680), (7936, 25765), (9920, 20612), (10306, 19840)]